| /* |
| * Common code for SSL test programs |
| * |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H |
| #define MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H |
| |
| #include "mbedtls/build_info.h" |
| |
| #if defined(MBEDTLS_PLATFORM_C) |
| #include "mbedtls/platform.h" |
| #else |
| #include <stdio.h> |
| #include <stdlib.h> |
| #define mbedtls_calloc calloc |
| #define mbedtls_free free |
| #define mbedtls_time time |
| #define mbedtls_time_t time_t |
| #define mbedtls_printf printf |
| #define mbedtls_fprintf fprintf |
| #define mbedtls_snprintf snprintf |
| #define mbedtls_exit exit |
| #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS |
| #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE |
| #endif |
| |
| #undef HAVE_RNG |
| #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) && \ |
| ( defined(MBEDTLS_USE_PSA_CRYPTO) || \ |
| defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) ) |
| #define HAVE_RNG |
| #elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C) |
| #define HAVE_RNG |
| #elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_HMAC_DRBG_C) && \ |
| ( defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C) ) |
| #define HAVE_RNG |
| #endif |
| |
| #if !defined(MBEDTLS_NET_C) || \ |
| !defined(MBEDTLS_SSL_TLS_C) |
| #define MBEDTLS_SSL_TEST_IMPOSSIBLE \ |
| "MBEDTLS_NET_C and/or " \ |
| "MBEDTLS_SSL_TLS_C not defined." |
| #elif !defined(HAVE_RNG) |
| #define MBEDTLS_SSL_TEST_IMPOSSIBLE \ |
| "No random generator is available.\n" |
| #else |
| #undef MBEDTLS_SSL_TEST_IMPOSSIBLE |
| |
| #undef HAVE_RNG |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "mbedtls/net_sockets.h" |
| #include "mbedtls/ssl.h" |
| #include "mbedtls/ssl_ciphersuites.h" |
| #include "mbedtls/entropy.h" |
| #include "mbedtls/ctr_drbg.h" |
| #include "mbedtls/hmac_drbg.h" |
| #include "mbedtls/x509.h" |
| #include "mbedtls/error.h" |
| #include "mbedtls/debug.h" |
| #include "mbedtls/timing.h" |
| #include "mbedtls/base64.h" |
| #include "test/certs.h" |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) |
| #include "psa/crypto.h" |
| #include "mbedtls/psa_util.h" |
| #endif |
| |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| #include "mbedtls/memory_buffer_alloc.h" |
| #endif |
| |
| #include <test/helpers.h> |
| |
| #include "../test/query_config.h" |
| |
| typedef struct eap_tls_keys |
| { |
| unsigned char master_secret[48]; |
| unsigned char randbytes[64]; |
| mbedtls_tls_prf_types tls_prf_type; |
| } eap_tls_keys; |
| |
| #if defined( MBEDTLS_SSL_DTLS_SRTP ) |
| |
| /* Supported SRTP mode needs a maximum of : |
| * - 16 bytes for key (AES-128) |
| * - 14 bytes SALT |
| * One for sender, one for receiver context |
| */ |
| #define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH 60 |
| |
| typedef struct dtls_srtp_keys |
| { |
| unsigned char master_secret[48]; |
| unsigned char randbytes[64]; |
| mbedtls_tls_prf_types tls_prf_type; |
| } dtls_srtp_keys; |
| |
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ |
| |
| typedef struct |
| { |
| mbedtls_ssl_context *ssl; |
| mbedtls_net_context *net; |
| } io_ctx_t; |
| |
| void my_debug( void *ctx, int level, |
| const char *file, int line, |
| const char *str ); |
| |
| #if defined(MBEDTLS_HAVE_TIME) |
| mbedtls_time_t dummy_constant_time( mbedtls_time_t* time ); |
| #endif |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) |
| /* If MBEDTLS_TEST_USE_PSA_CRYPTO_RNG is defined, the SSL test programs will use |
| * mbedtls_psa_get_random() rather than entropy+DRBG as a random generator. |
| * |
| * The constraints are: |
| * - Without the entropy module, the PSA RNG is the only option. |
| * - Without at least one of the DRBG modules, the PSA RNG is the only option. |
| * - The PSA RNG does not support explicit seeding, so it is incompatible with |
| * the reproducible mode used by test programs. |
| * - For good overall test coverage, there should be at least one configuration |
| * where the test programs use the PSA RNG while the PSA RNG is itself based |
| * on entropy+DRBG, and at least one configuration where the test programs |
| * do not use the PSA RNG even though it's there. |
| * |
| * A simple choice that meets the constraints is to use the PSA RNG whenever |
| * MBEDTLS_USE_PSA_CRYPTO is enabled. There's no real technical reason the |
| * choice to use the PSA RNG in the test programs and the choice to use |
| * PSA crypto when TLS code needs crypto have to be tied together, but it |
| * happens to be a good match. It's also a good match from an application |
| * perspective: either PSA is preferred for TLS (both for crypto and for |
| * random generation) or it isn't. |
| */ |
| #define MBEDTLS_TEST_USE_PSA_CRYPTO_RNG |
| #endif |
| |
| /** A context for random number generation (RNG). |
| */ |
| typedef struct |
| { |
| #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) |
| unsigned char dummy; |
| #else /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */ |
| mbedtls_entropy_context entropy; |
| #if defined(MBEDTLS_CTR_DRBG_C) |
| mbedtls_ctr_drbg_context drbg; |
| #elif defined(MBEDTLS_HMAC_DRBG_C) |
| mbedtls_hmac_drbg_context drbg; |
| #else |
| #error "No DRBG available" |
| #endif |
| #endif /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */ |
| } rng_context_t; |
| |
| /** Initialize the RNG. |
| * |
| * This function only initializes the memory used by the RNG context. |
| * Before using the RNG, it must be seeded with rng_seed(). |
| */ |
| void rng_init( rng_context_t *rng ); |
| |
| /* Seed the random number generator. |
| * |
| * \param rng The RNG context to use. It must have been initialized |
| * with rng_init(). |
| * \param reproducible If zero, seed the RNG from entropy. |
| * If nonzero, use a fixed seed, so that the program |
| * will produce the same sequence of random numbers |
| * each time it is invoked. |
| * \param pers A null-terminated string. Different values for this |
| * string cause the RNG to emit different output for |
| * the same seed. |
| * |
| * return 0 on success, a negative value on error. |
| */ |
| int rng_seed( rng_context_t *rng, int reproducible, const char *pers ); |
| |
| /** Deinitialize the RNG. Free any embedded resource. |
| * |
| * \param rng The RNG context to deinitialize. It must have been |
| * initialized with rng_init(). |
| */ |
| void rng_free( rng_context_t *rng ); |
| |
| /** Generate random data. |
| * |
| * This function is suitable for use as the \c f_rng argument to Mbed TLS |
| * library functions. |
| * |
| * \param p_rng The random generator context. This must be a pointer to |
| * a #rng_context_t structure. |
| * \param output The buffer to fill. |
| * \param output_len The length of the buffer in bytes. |
| * |
| * \return \c 0 on success. |
| * \return An Mbed TLS error code on error. |
| */ |
| int rng_get( void *p_rng, unsigned char *output, size_t output_len ); |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) |
| /* The test implementation of the PSA external RNG is insecure. When |
| * MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled, before using any PSA crypto |
| * function that makes use of an RNG, you must call |
| * mbedtls_test_enable_insecure_external_rng(). */ |
| #include <test/fake_external_rng_for_test.h> |
| #endif |
| |
| #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) |
| int ca_callback( void *data, mbedtls_x509_crt const *child, |
| mbedtls_x509_crt **candidates ); |
| #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */ |
| |
| /* |
| * Test recv/send functions that make sure each try returns |
| * WANT_READ/WANT_WRITE at least once before sucesseding |
| */ |
| int delayed_recv( void *ctx, unsigned char *buf, size_t len ); |
| int delayed_send( void *ctx, const unsigned char *buf, size_t len ); |
| |
| /* |
| * Wait for an event from the underlying transport or the timer |
| * (Used in event-driven IO mode). |
| */ |
| int idle( mbedtls_net_context *fd, |
| #if defined(MBEDTLS_TIMING_C) |
| mbedtls_timing_delay_context *timer, |
| #endif |
| int idle_reason ); |
| |
| #if defined(MBEDTLS_TEST_HOOKS) |
| /** Initialize whatever test hooks are enabled by the compile-time |
| * configuration and make sense for the TLS test programs. */ |
| void test_hooks_init( void ); |
| |
| /** Check if any test hooks detected a problem. |
| * |
| * If a problem was detected, it's ok for the calling program to keep going, |
| * but it should ultimately exit with an error status. |
| * |
| * \note When implementing a test hook that detects errors on its own |
| * (as opposed to e.g. leaving the error for a memory sanitizer to |
| * report), make sure to print a message to standard error either at |
| * the time the problem is detected or during the execution of this |
| * function. This function does not indicate what problem was detected, |
| * so printing a message is the only way to provide feedback in the |
| * logs of the calling program. |
| * |
| * \return Nonzero if a problem was detected. |
| * \c 0 if no problem was detected. |
| */ |
| int test_hooks_failure_detected( void ); |
| |
| /** Free any resources allocated for the sake of test hooks. |
| * |
| * Call this at the end of the program so that resource leak analyzers |
| * don't complain. |
| */ |
| void test_hooks_free( void ); |
| |
| #endif /* !MBEDTLS_TEST_HOOKS */ |
| |
| #endif /* MBEDTLS_SSL_TEST_IMPOSSIBLE conditions: else */ |
| #endif /* MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H */ |